Files
neon/test_runner/regress/test_installed_extensions.py
Anastasia Lubennikova 63e7fab990 Add /installed_extensions endpoint to collect statistics about extension usage. (#8917)
Add /installed_extensions endpoint to collect
statistics about extension usage.
It returns a list of installed extensions in the format:

```json
{
  "extensions": [
    {
      "extname": "extension_name",
      "versions": ["1.0", "1.1"],
      "n_databases": 5,
    }
  ]
}
```

---------

Co-authored-by: Heikki Linnakangas <heikki@neon.tech>
2024-10-09 13:32:13 +01:00

88 lines
3.1 KiB
Python

from logging import info
from fixtures.neon_fixtures import NeonEnv
def test_installed_extensions(neon_simple_env: NeonEnv):
"""basic test for the endpoint that returns the list of installed extensions"""
env = neon_simple_env
env.create_branch("test_installed_extensions")
endpoint = env.endpoints.create_start("test_installed_extensions")
endpoint.safe_psql("CREATE DATABASE test_installed_extensions")
endpoint.safe_psql("CREATE DATABASE test_installed_extensions_2")
client = endpoint.http_client()
res = client.installed_extensions()
info("Extensions list: %s", res)
info("Extensions: %s", res["extensions"])
# 'plpgsql' is a default extension that is always installed.
assert any(
ext["extname"] == "plpgsql" and ext["versions"] == ["1.0"] for ext in res["extensions"]
), "The 'plpgsql' extension is missing"
# check that the neon_test_utils extension is not installed
assert not any(
ext["extname"] == "neon_test_utils" for ext in res["extensions"]
), "The 'neon_test_utils' extension is installed"
pg_conn = endpoint.connect(dbname="test_installed_extensions")
with pg_conn.cursor() as cur:
cur.execute("CREATE EXTENSION neon_test_utils")
cur.execute(
"SELECT default_version FROM pg_available_extensions WHERE name = 'neon_test_utils'"
)
res = cur.fetchone()
neon_test_utils_version = res[0]
with pg_conn.cursor() as cur:
cur.execute("CREATE EXTENSION neon version '1.1'")
pg_conn_2 = endpoint.connect(dbname="test_installed_extensions_2")
with pg_conn_2.cursor() as cur:
cur.execute("CREATE EXTENSION neon version '1.2'")
res = client.installed_extensions()
info("Extensions list: %s", res)
info("Extensions: %s", res["extensions"])
# check that the neon_test_utils extension is installed only in 1 database
# and has the expected version
assert any(
ext["extname"] == "neon_test_utils"
and ext["versions"] == [neon_test_utils_version]
and ext["n_databases"] == 1
for ext in res["extensions"]
)
# check that the plpgsql extension is installed in all databases
# this is a default extension that is always installed
assert any(ext["extname"] == "plpgsql" and ext["n_databases"] == 4 for ext in res["extensions"])
# check that the neon extension is installed and has expected versions
for ext in res["extensions"]:
if ext["extname"] == "neon":
assert ext["n_databases"] == 2
ext["versions"].sort()
assert ext["versions"] == ["1.1", "1.2"]
with pg_conn.cursor() as cur:
cur.execute("ALTER EXTENSION neon UPDATE TO '1.3'")
res = client.installed_extensions()
info("Extensions list: %s", res)
info("Extensions: %s", res["extensions"])
# check that the neon_test_utils extension is updated
for ext in res["extensions"]:
if ext["extname"] == "neon":
assert ext["n_databases"] == 2
ext["versions"].sort()
assert ext["versions"] == ["1.2", "1.3"]